<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright 2008 XBRL International. All Rights Reserved. -->
<xbrl 
xmlns="http://www.xbrl.org/2003/instance" 
xmlns:t="http://xbrl.org/conformance/example" 
xmlns:link="http://www.xbrl.org/2003/linkbase" 
xmlns:xlink="http://www.w3.org/1999/xlink" 
>
  
  <link:schemaRef 
    xlink:type="simple" 
    xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" 
    xlink:href="330-s-equal-01.xsd"/>

  <context id="c-V01">
    <entity>
      <identifier scheme="http://xbrl.org/entity/identification/scheme">01</identifier>
    </entity>
    <period>
      <instant>2007-12-31</instant>
    </period>
    <scenario>
       <t:scenarioVal a3="INF" >
          <t:scenarioVal a3="0" >
            <t:scenarioVal a1="xyz" a2="123" a3="-INF">
              <t:strVal>abc</t:strVal>
              <t:decVal>0001.234</t:decVal>
              <t:dblVal>0</t:dblVal>
            </t:scenarioVal>
            <t:dblVal>INF</t:dblVal>
            <t:dblVal>-INF</t:dblVal>
          </t:scenarioVal>
       </t:scenarioVal>
    </scenario>
  </context>  

  <!-- this context is s-equal with various lexical non-number doubles and booleans to that of c-V01 -->
  <context id="c-V02">
    <entity>
      <identifier scheme="http://xbrl.org/entity/identification/scheme">01</identifier>
    </entity>
    <period>
      <instant>2007-12-31</instant>
    </period>
    <scenario>
       <t:scenarioVal a3="INF">
          <t:scenarioVal a3="0" >
            <t:scenarioVal a1="xyz" a2="123" a3="INF">
              <t:strVal>abc</t:strVal>
              <t:decVal>0001.234</t:decVal>
              <t:dblVal>0</t:dblVal>
            </t:scenarioVal>
            <t:dblVal>INF</t:dblVal>
            <t:dblVal>-INF</t:dblVal>
          </t:scenarioVal>
       </t:scenarioVal>
    </scenario>
  </context>  

  <unit id="pure">
    <measure>pure</measure>
  </unit>

  <t:P1 contextRef="c-V01" unitRef="pure" decimals="0">300003</t:P1>

  <!-- P2's context is s-equal to c-V01 so P1 sees it as a contributing item -->
  <t:P2 contextRef="c-V02" unitRef="pure" decimals="0">100001</t:P2>

  <t:P3 contextRef="c-V01" unitRef="pure" decimals="0">200002</t:P3>


</xbrl>
